Trade receivables (Tables)

12 Months Ended

Dec. 31, 2022

Trade receivables [Abstract]

Summary of Trade Receivables

Trade receivables as of December 31, 2022 and 2021, are summarized as follows:

	2022			2021
Maritime
Offshore vessels	$	166,703		$	187,742
Parcel tankers		12,604			10,071
Bulk Carrier		33,896			-
Shipping agencies		26,904			7,839
Maritime infrastructure
Shipyard		56,343			59,942
Ports, terminals and logistics
Port services		100			889
Repair of containers		9,970			20,705
Automotive services		795			1,277
Commercial leases		-			66
Warehousing and other businesses
Warehousing		60,040			35,560
Other businesses		1,335			1,267
Total trade receivables		368,690			325,358
Contract assets		128,799			96,023
Allowance for doubtful accounts		(25,975	)		(20,294	)
	$	471,514		$	401,087

Activity in Allowance for Doubtful Accounts

The activity in the allowance for doubtful accounts is presented below:

	2022			2021
Balance as of January 1	$	20,294		$	21,218
Impairment loss for the period		7,277			199
Receivables written off during the year		(1,596	)		(1,123	)
Balance as of December 31	$	25,975		$	20,294